<style>
  body {
    background-color: rgb(190, 184, 184);
  }

  .back {
    border: 5px solid #000000;
    width: 1200px;
    height: 1900px;
    margin: 0 auto;
    background-color: rgb(203, 203, 203);
  }
  .body {
    width: 1200px;
    height: 60px;
    background-color: rgb(203, 203, 203);
    font-weight: 700;
    font-size: 25px;
    color: black;
    /* line-height: 60px; */
    text-align: center;
    display: table-cell;
    vertical-align: middle;

  }

  .header {
    width: 1200px;
    height: 80px;
    background-color: rgb(244, 125, 48);
    font-weight: 700;
    font-size: 30px;
    color: white;
    text-align: center;
    margin: -30px auto 0 auto;
   
    position: relative;
  }
  .a {
    position: absolute;
    top: 60px;
    left: 50%;
    margin-left: -120px;
    font-size: 15px;
    font-weight: normal;
    word-spacing: 20px;
    width: 240px;
  }
  .section {
    height: 1650px;
    width: 800px;
    margin-top: 30px;
    font-size: 30px;
    text-align: center;
    color: black;
    background-color: rgb(254, 102, 153);
    position: relative;
    line-height: 100px;
    font-weight: 700;
    float: left;
  }
  .article1 {
    height: 750px;
    width: 750px;
    background-color: white;
    margin: 0 25px 0 25px;
    position: absolute;
    top: 100px;

  }
  .articleH1 {
    height: 50px;
    width: 700px;
    margin: 0 50px 0 50px;
    background-color: rgb(244, 125, 48);
    top: 200px;
    left: 0;
    color: white;
    z-index: 1;
    position: absolute;
    font-size: 20px;
    font-weight: 700;
    line-height: 10px;
  }
  .articleA1 {
    height: 200px;
    width: 300px;
    margin: 0 50px 0 50px;
    background-color: rgb(2, 99, 156);
    top: 300px;
    left: 400px;
    color: black;
    z-index: 1;
    position: absolute;
    font-size: 40px;
    font-weight: 700;
    line-height: 10px;
    padding-top: 50px;
  }
  .articleF1 {
    height: 80px;
    width: 700px;
    margin: 0 50px 0 50px;
    background-color: rgb(1, 51, 153);
    top: 700px;
    left: 0;
    color: white;
    z-index: 1;
    position: absolute;
    font-size: 30px;
    font-weight: 700;
    padding-top: 60px;
  }
  .article2 {
    height: 750px;
    width: 750px;
    background-color: white;
    margin: 0 25px 0 25px;
    position: absolute;
    top: 875px;
    left: 0;
  }
  .articleH2 {
    height: 50px;
    width: 700px;
    margin: 0 50px 0 50px;
    background-color: rgb(244, 125, 48);
    top: 975px;
    left: 0;
    color: white;
    z-index: 1;
    position: absolute;
    font-size: 20px;
    font-weight: 700;
    line-height: 10px;
  }
  .articleA2 {
    height: 200px;
    width: 300px;
    margin: 0 50px 0 50px;
    background-color: rgb(2, 99, 156);
    top: 1075px;
    left: 400px;
    color: black;
    z-index: 1;
    position: absolute;
    font-size: 40px;
    font-weight: 700;
    line-height: 10px;
    padding-top: 50px;
  }
  .articleF2 {
    height: 80px;
    width: 700px;
    margin: 0 50px 0 50px;
    background-color: rgb(1, 51, 153);
    top: 1475px;
    left: 0;
    color: white;
    z-index: 1;
    position: absolute;
    font-size: 30px;
    font-weight: 700;
    padding-top: 60px;
  }
  .section2 {
    width: 300px;
    height: 400px;
    background-color: rgb(101, 152, 154);
    font-size: 30px;
    text-align: center;
    position: relative;
    float: left;
    margin: 30px 0 0 50px;
  }
  .siderbar {
    height: 50px;
    width: 300px;
    margin: 0 auto;
    background-color: rgb(244, 125, 48);
    top: 100px;
    left: 0;
    color: white;
    z-index: 1;
    position: absolute;
    font-size: 25px;
    font-weight: 700;
    padding-top: 10px;
  }
  .ul {
    font-weight: normal;
    font-size: 15px;
    position: absolute;
    top: 250px;
    left: 50%;
    margin-left: -100px;
    width: 200px;
    text-align: left;
    /* list-style: none; */
  }
   /* a{
    
    text-decoration: none;
   } */
  .footer {
    width: 1200px;
    height: 40px;
    background-color: rgb(3, 98, 204);
    font-weight: 700;
    font-size: 30px;
    color: white;
    text-align: center;
    margin: -20px auto 0 auto;
  }
  .p1 {
    color: red;
    position: absolute;
    top: 300px;
    left: 50px;
    font-size: 15px;
    word-spacing: 10px;
    font-weight: normal;
    z-index: 1;
  }
  .p2 {
    color: red;
    position: absolute;
    top: 1075px;
    left: 50px;
    font-size: 15px;
    word-spacing: 10px;
    font-weight: normal;
    z-index: 1;
  }
  .box {
    height: 1700px;
    width: 1200px;
    margin: 0 auto;
    background-color: rgb(203, 203, 203);
    margin-top: 40px;
  }
</style>
<body>
  <div class="back" algin="center">
    <div class="body">body</div>
    <div class="header">
      <p>Header</p>
      <div class="a">
        <a href="https://www.hao123.com/ ">Home</a>
        <a href="#">One</a>
        <a href="#">Two</a>
        <a href="#">Three</a>
      </div>
    </div>  
      <div class="box">
        <div class="section">
          <p>Section</p>
          <div class="article1">article</div>
          <div class="articleH1"><p>Article Header</p></div>
          <p class="p1">Without you?I'd be a soul without a purpose</p>
          <div class="articleA1">
            <p>Article</p>
            <p>Asider</p>
          </div>
          <div class="articleF1">Article Footer</div>
          <div class="article2">article</div>
          <div class="articleH2"><p>Article Header</p></div>
          <div class="articleA2">
            <p>Article</p>
            <p>Asider</p>
          </div>
          <p class="p2">Without you?I'd be a soul without a purpose</p>
          <div class="articleF2">Article Footer</div>
        </div>

        <div class="section2">
          <p>section</p>
          <div class="siderbar">Siderbar Header</div>
          <ul class="ul">
            <li><a href="#">April 2019</a></li>
            <li><a href="#">March 2019</a></li>
            <li><a href="#">February 2019</a></li>
            <li><a href="#">January 2019 </a></li>
          </ul>
        </div>
      </div>
      <div class="footer">Footer</div>
    </div>
  </div>
</body>
